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Multilevel inverters became a key piece in most energy conversion, transportation and management systems. The present paper encompasses a wide total harmonic distortion (THD) investigation of the multilevel inverter output voltages. Such investigation is conducted with cascaded topology for some reasonable number of inverter levels L and various modulation index m. A novel and efficient approach is...
The aim of the present paper is to show the impact of the feed of multiphase induction machines by a voltage inverter which produces circulating harmonic currents. To eliminate this extra harmonic currents of stator windings that cause losses, a space vector PWM control strategy is employed and developed, based on the vector space decomposition for double-star induction machine modeling, while taking...
This paper presents a low-cost positioning application based on Linear Switched Reluctance Motor (LSRM). The Design, modeling and experimental results of the motor are detailed and presented in this study. The proposed control strategy is based on Sliding Mode Control (SMC) to control the velocity. PIC18F452 and MOSFET inverter are designed and developed for the implementation of the proposed controls...
The aim of the present paper is to show the impact of the fed of multiphase induction machines by a voltage inverter that produce circulating harmonic currents. In order to eliminate this extra harmonic currents of stator windings that cause losses, a space vector PWM control strategy is employed and developed, based on the vector space decomposition for double star induction machine modeling, while...
The present paper gives an overview of modelling technique to describe the nonlinear behaviour of saturated Linear Switched Reluctance Machine (LSRM). The approach is based on the thrust force characteristics versus position. Taking into account the non-linearity of the magnetic circuit, model is expressed by the polynomials. The results of these analytical approaches are compared with those obtained...
The aim of this paper is to present the model of double star induction machine using the concept of vector space decomposition, while taking into account the mutual leakage between two stars. This powerful concept allows to analyze the impact of circulating harmonic currents on the double star induction machine performance when supplied by voltage source inverter. The simulation and experimental results...
In this paper modelling and analysis of self excited dual stator winding induction generator (DSWIG) with a new method ‘fzero algorithm’ has been done. We develop the steady-state model of a dual three self-excited induction generator for stand-alone renewable generation dispenses with the segregating real and imaginary components of the complex impedance of the induction generator. Steady state performances...
Position and force ripple are the majors disadvantage of linear switched reluctance motor (LSRM), thing that can reduce his integration in high precision application. The work developed in this paper is a novel method to control this actuator in order to increase his performance. A model of the actuator is performed neglecting magnetic saturation‥ In order to make a smooth motion of the motor open...
An indirect rotor-field-oriented control of a dual stator induction motor drive is studied in this paper. For this purpose, a dual stator induction machine having two sets of stator three-phase windings spatially shifted by 30 electrical degrees with isolated neutral points. The proposed approach is based on d-q model when the dual stator are fed by an independently current-controlled pulse width...
The aim of this paper is to present a d-q accurate mathematical model of the double star induction machine (DSIM), whatever the electrical shift between the two stator stars. The proposed model takes into account the effect of magnetic saturation, the stator mutual leakage inductance between two stars and the skin effect. The confrontation between the simulation results of the proposed model with...
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